1519379720

素因数分解:

$2^3\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{18253}}^1$

素因数の和:20345

約数の個数: 32

約数和(自身を含む): 3420434520

約数和(自身を除く): 1901054800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2081, 4162, 8324, 10405, 16648, 18253, 20810, 36506, 41620, 73012, 83240, 91265, 146024, 182530, 365060, 730120, 37984493, 75968986, 151937972, 189922465, 303875944, 379844930, 759689860, 1519379720]

約数ペア:

[(1, 1519379720), (2, 759689860), (4, 379844930), (5, 303875944), (8, 189922465), (10, 151937972), (20, 75968986), (40, 37984493), (2081, 730120), (4162, 365060), (8324, 182530), (10405, 146024), (16648, 91265), (18253, 83240), (20810, 73012), (36506, 41620)]